public AttachmentDescription2KHR
(
StructureType sType = StructureType.AttachmentDescription2,
void *pNext = default,
AttachmentDescriptionFlags flags = default,
Format format = default,
SampleCountFlags samples = default,
AttachmentLoadOp loadOp = default,
AttachmentStoreOp storeOp = default,
AttachmentLoadOp stencilLoadOp = default,
AttachmentStoreOp stencilStoreOp = default,
ImageLayout initialLayout = default,
ImageLayout finalLayout = default
)
{
SType = sType;
PNext = pNext;
Flags = flags;
Format = format;
Samples = samples;
LoadOp = loadOp;
StoreOp = storeOp;
StencilLoadOp = stencilLoadOp;
StencilStoreOp = stencilStoreOp;
InitialLayout = initialLayout;
FinalLayout = finalLayout;
}
/// <summary>
/// Initializes a new instance of the <see cref="AttachmentDescription"/> structure.
/// </summary>
/// <param name="flags">A bitmask specifying additional properties of the attachment.</param>
/// <param name="format">
/// Specifies the format of the image that will be used for the attachment.
/// </param>
/// <param name="samples">The number of samples of the image.</param>
/// <param name="loadOp">
/// Specifies how the contents of color and depth components of the attachment are treated at
/// the beginning of the subpass where it is first used.
/// </param>
/// <param name="storeOp">
/// Specifies how the contents of color and depth components of the attachment are treated at
/// the end of the subpass where it is last used.
/// </param>
/// <param name="stencilLoadOp">
/// Specifies how the contents of stencil components of the attachment are treated at the
/// beginning of the subpass where it is first used, and must be one of the same values
/// allowed for <see cref="LoadOp"/> above.
/// </param>
/// <param name="stencilStoreOp">
/// Specifies how the contents of stencil components of the attachment are treated at the end
/// of the last subpass where it is used, and must be one of the same values allowed for <see
/// cref="StoreOp"/> above.
/// </param>
/// <param name="initialLayout">
/// The layout the attachment image subresource will be in when a render pass instance begins.
/// </param>
/// <param name="finalLayout">
/// The layout the attachment image subresource will be transitioned to when a render pass
/// instance ends. During a render pass instance, an attachment can use a different layout in
/// each subpass, if desired.
/// </param>
public AttachmentDescription(
AttachmentDescriptions flags,
Format format,
SampleCounts samples,
AttachmentLoadOp loadOp,
AttachmentStoreOp storeOp,
AttachmentLoadOp stencilLoadOp,
AttachmentStoreOp stencilStoreOp,
ImageLayout initialLayout,
ImageLayout finalLayout)
{
Flags = flags;
Format = format;
Samples = samples;
LoadOp = loadOp;
StoreOp = storeOp;
StencilLoadOp = stencilLoadOp;
StencilStoreOp = stencilStoreOp;
InitialLayout = initialLayout;
FinalLayout = finalLayout;
}
public unsafe RenderPass(Api api, SwapChain swapChain, DepthBuffer depthBuffer, AttachmentLoadOp colorBufferLoadOp, AttachmentLoadOp depthBufferLoadOp)
{
_api = api;
var colorAttachment = new AttachmentDescription();
colorAttachment.Format = swapChain.Format;
colorAttachment.Samples = SampleCountFlags.SampleCount1Bit;
colorAttachment.LoadOp = colorBufferLoadOp;
colorAttachment.StoreOp = AttachmentStoreOp.Store;
colorAttachment.StencilLoadOp = AttachmentLoadOp.DontCare;
colorAttachment.StencilStoreOp = AttachmentStoreOp.DontCare;
colorAttachment.InitialLayout = colorBufferLoadOp == AttachmentLoadOp.Clear ? ImageLayout.Undefined : ImageLayout.PresentSrcKhr;
colorAttachment.FinalLayout = ImageLayout.PresentSrcKhr;
var depthAttachment = new AttachmentDescription();
depthAttachment.Format = depthBuffer.Format;
depthAttachment.Samples = SampleCountFlags.SampleCount1Bit;
depthAttachment.LoadOp = depthBufferLoadOp;
depthAttachment.StoreOp = AttachmentStoreOp.DontCare;
depthAttachment.StencilLoadOp = AttachmentLoadOp.DontCare;
depthAttachment.StencilStoreOp = AttachmentStoreOp.DontCare;
depthAttachment.InitialLayout = depthBufferLoadOp == AttachmentLoadOp.Clear ? ImageLayout.Undefined : ImageLayout.DepthStencilAttachmentOptimal;
depthAttachment.FinalLayout = ImageLayout.DepthStencilAttachmentOptimal;
var colorAttachmentRef = new AttachmentReference();
colorAttachmentRef.Attachment = 0;
colorAttachmentRef.Layout = ImageLayout.ColorAttachmentOptimal;
var depthAttachmentRef = new AttachmentReference();
depthAttachmentRef.Attachment = 1;
depthAttachmentRef.Layout = ImageLayout.DepthStencilAttachmentOptimal;
var subpass = new SubpassDescription();
subpass.PipelineBindPoint = PipelineBindPoint.Graphics;
subpass.ColorAttachmentCount = 1;
subpass.PColorAttachments = (AttachmentReference *)Unsafe.AsPointer(ref colorAttachmentRef);
subpass.PDepthStencilAttachment = (AttachmentReference *)Unsafe.AsPointer(ref depthAttachmentRef);
var dependency = new SubpassDependency();
dependency.SrcSubpass = Vk.SubpassExternal;
dependency.DstSubpass = 0;
dependency.SrcStageMask = PipelineStageFlags.PipelineStageColorAttachmentOutputBit;
dependency.SrcAccessMask = 0;
dependency.DstStageMask = PipelineStageFlags.PipelineStageColorAttachmentOutputBit;
dependency.DstAccessMask = AccessFlags.AccessColorAttachmentReadBit | AccessFlags.AccessColorAttachmentWriteBit;
Span <AttachmentDescription> attachments = stackalloc AttachmentDescription[]
{
colorAttachment,
depthAttachment
};
var renderPassInfo = new RenderPassCreateInfo();
renderPassInfo.SType = StructureType.RenderPassCreateInfo;
renderPassInfo.AttachmentCount = (uint)attachments.Length;
renderPassInfo.PAttachments = (AttachmentDescription *)Unsafe.AsPointer(ref attachments[0]);
renderPassInfo.SubpassCount = 1;
renderPassInfo.PSubpasses = (SubpassDescription *)Unsafe.AsPointer(ref subpass);
renderPassInfo.DependencyCount = 1;
renderPassInfo.PDependencies = (SubpassDependency *)Unsafe.AsPointer(ref dependency);
Util.Verify(
_api.Vk.CreateRenderPass(_api.Vk.CurrentDevice.Value, renderPassInfo, default, out _vkRenderPass),
/// <summary>
///
/// </summary>
public AttachmentDescription(AttachmentDescriptionFlags flags, Format format, SampleCountFlags samples, AttachmentLoadOp loadOp, AttachmentStoreOp storeOp, AttachmentLoadOp stencilLoadOp, AttachmentStoreOp stencilStoreOp, ImageLayout initialLayout, ImageLayout finalLayout)
{
this.Flags = flags;
this.Format = format;
this.Samples = samples;
this.LoadOp = loadOp;
this.StoreOp = storeOp;
this.StencilLoadOp = stencilLoadOp;
this.StencilStoreOp = stencilStoreOp;
this.InitialLayout = initialLayout;
this.FinalLayout = finalLayout;
}
